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authorLinus Walleij <linus.walleij@linaro.org>2021-11-27 00:54:16 +0100
committerLinus Walleij <linus.walleij@linaro.org>2021-11-27 00:54:16 +0100
commit2448eab44034d9603c97ca17760a53d4d6e4b60c (patch)
tree7f323cea55258e94e0c7c70b63d02c9effb00c1f /drivers/net/ipa/ipa_endpoint.c
parentdeee705a1c9cce9c7eb699d529f1c0b3c80d339d (diff)
parent136057256686de39cc3a07c2e39ef6bc43003ff6 (diff)
Merge tag 'v5.16-rc2' into devel
Linux 5.16-rc2 is needed because nonurgent fixes headed for next are strongly textually dependent on a fix that was applied for rc2. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/net/ipa/ipa_endpoint.c')
-rw-r--r--drivers/net/ipa/ipa_endpoint.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c
index 5528d97110d5..ef790fd0ab56 100644
--- a/drivers/net/ipa/ipa_endpoint.c
+++ b/drivers/net/ipa/ipa_endpoint.c
@@ -853,6 +853,7 @@ static void ipa_endpoint_init_hol_block_timer(struct ipa_endpoint *endpoint,
u32 offset;
u32 val;
+ /* This should only be changed when HOL_BLOCK_EN is disabled */
offset = IPA_REG_ENDP_INIT_HOL_BLOCK_TIMER_N_OFFSET(endpoint_id);
val = hol_block_timer_val(ipa, microseconds);
iowrite32(val, ipa->reg_virt + offset);
@@ -868,6 +869,9 @@ ipa_endpoint_init_hol_block_enable(struct ipa_endpoint *endpoint, bool enable)
val = enable ? HOL_BLOCK_EN_FMASK : 0;
offset = IPA_REG_ENDP_INIT_HOL_BLOCK_EN_N_OFFSET(endpoint_id);
iowrite32(val, endpoint->ipa->reg_virt + offset);
+ /* When enabling, the register must be written twice for IPA v4.5+ */
+ if (enable && endpoint->ipa->version >= IPA_VERSION_4_5)
+ iowrite32(val, endpoint->ipa->reg_virt + offset);
}
void ipa_endpoint_modem_hol_block_clear_all(struct ipa *ipa)
@@ -880,6 +884,7 @@ void ipa_endpoint_modem_hol_block_clear_all(struct ipa *ipa)
if (endpoint->toward_ipa || endpoint->ee_id != GSI_EE_MODEM)
continue;
+ ipa_endpoint_init_hol_block_enable(endpoint, false);
ipa_endpoint_init_hol_block_timer(endpoint, 0);
ipa_endpoint_init_hol_block_enable(endpoint, true);
}